US Patent 7890897 Measure of analysis performed in property checking
Patent 7890897 was granted and assigned to Mentor Graphics on February, 2011 by the United States Patent and Trademark Office.
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The amount of analysis performed in determining the validity of a property of a digital circuit is measured concurrent with performance of the analysis, and provided as an output when a true/false answer cannot be provided e.g. when stopped due to resource constraints. In some embodiments, a measure of value N indicates that a given property that is being checked will not be violated within a distance N from an initial state from which the analysis started. Therefore, in such embodiments, a measure of value N indicates that the analysis has implicitly or explicitly covered every possible excursion of length N from the initial state, and formally proved that no counter-example is possible within this length N.
US Patent 07890897 Measure of analysis performed in property checking US Patent 7890897 Measure of analysis performed in property checking
US Patent 07890897 Measure of analysis performed in property checking
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